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Weather & Climate in Mont-de-Marsan, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mont-de-Marsan experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 42°F in January while summers reach 68°F in July. The area gets 265 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 39.2 inches. The city sits at an elevation of 167 feet.
Temperature
42°F Jan (5°C)
68°F Jul (20°C)
| Annual Average | 54.7°F |
| 1% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 265 days/yr |
Geography
| Elevation | 167 ft (51 m) |
| Area | 14.2 sq mi (36.9 km²) |
| Population Density | 2,542/sq mi |
| Coordinates | 43.8902°N, 0.4971°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
910 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Dec 30, 2012 | 1 km N of Coarraze, France | M4.8 | 82 km | 2 km |
| May 16, 2002 | 6 km NW of Cauterets, France | M4.8 | 110 km | 3 km |
| Sep 18, 2004 | 7 km NE of Huarte-Uharte, Spain | M4.7 | 140 km | 1 km |
| Jan 21, 2003 | 5 km NE of Louvie-Juzon, France | M4.6 | 86 km | 5 km |
| May 16, 2002 | 6 km W of Pierrefitte-Nestalas, France | M4.4 | 108 km | 4 km |
| Jul 16, 2008 | 4 km SSW of Bosdarros, France | M4.4 | 81 km | 5 km |
| Oct 4, 1999 | 12 km N of Bagnères-de-Luchon, France | M4.4 | 141 km | 10 km |
| Jan 6, 1996 | 3 km SE of Bosdarros, France | M4.3 | 79 km | 10 km |
| Apr 1, 2010 | 8 km ESE of Campan, France | M4.3 | 119 km | 15 km |
| Sep 30, 2004 | 6 km NE of Huarte-Uharte, Spain | M4.3 | 141 km | 2 km |
| Feb 16, 1999 | 1 km N of Saint-Étienne-de-Baïgorry, France | M4.3 | 104 km | 10 km |
| Dec 12, 1996 | 5 km WSW of Tournay, France | M4.2 | 98 km | 10 km |
| Feb 28, 1990 | 15 km NNE of Oronz, Spain | M4.2 | 109 km | 29 km |
| Mar 13, 2000 | 7 km ESE of Saint-Palais, France | M4.2 | 75 km | 13 km |
| Sep 2, 2013 | 2 km SE of Mont, France | M4.2 | 54 km | 2 km |
| Jun 12, 1990 | 1 km E of Gan, France | M4.2 | 74 km | 12 km |
| Apr 1, 1991 | 2 km S of Mauléon-Licharre, France | M4.2 | 83 km | 25 km |
| Feb 9, 2009 | 2 km SSE of Asson, France | M4.2 | 88 km | 3 km |
| Sep 5, 2002 | 3 km NE of Arudy, France | M4.1 | 85 km | 4 km |
| Jan 5, 2013 | 5 km SW of Saint-Pé-de-Bigorre, France | M4.1 | 94 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 3.7 in | Coldest |
| February | 44°F (7°C) | 3.4 in | |
| March | 49°F (9°C) | 2.9 in | |
| April | 52°F (11°C) | 2.9 in | |
| May | 59°F (15°C) | 3.4 in | |
| June | 64°F (18°C) | 2.9 in | |
| July | 68°F (20°C) | 2.2 in | Driest |
| August | 68°F (20°C) | 3.0 in | Warmest |
| September | 63°F (17°C) | 3.2 in | |
| October | 56°F (13°C) | 3.4 in | |
| November | 48°F (9°C) | 3.7 in | |
| December | 44°F (6°C) | 4.6 in | Wettest |
Mont-de-Marsan has a seasonal temperature swing of 27°F / from 42°F in January to 68°F in August. Total annual precipitation is 39.2 inches, with December being the wettest month (4.6") and July the driest (2.2").